Serving parts of North West London and the Home Counties.


Call us *Calls to 0345 numbers cost the same as a landline, costs from other networks and mobiles may vary. Calls may be recorded for training and monitoring purposes

Bill and Account Enquiries:

Moving house | Bill/account enquiries | Payment arrangements | Metering | Paying your bill | High consumption

Metered accounts: 0345 357 2401

Non-metered accounts: 0345 357 2402 

Open Mon - Fri 8am - 5pm


Water Supply Enquiries:

Loss of supply | Water pressure | Water quality problem | Water disruption

0345 357 2407

Mon - Fri 7am - 8pm  & Sat - Sun 8am - 4pm (an emergency service operates outside of these hours)


Report a Leak:

0800 376 5325 open 24/7


Postal Address: Affinity Water, Tamblin Way, Hatfield, Hertfordshire, AL10 9EZ

What to do if things go wrong: Click here for more information


Sewerage & Drainage Enquiries & Emergencies

Anglian Water

03457 145 145

Southern Water

0330 303 0368

Thames Water

0800 316 9800

*0800 numbers are free from UK landlines but may be chargeable from mobiles.

Current Alerts

There are currently no major incidents.


Tell us about a leak online

Click here

Tweet a leak


Call our leakspotters line

0800 376 5325 (24 hrs)

Emergencies 24 hour line

0345 357 2407

*Calls may be recorded for training and monitoring purposes

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